US20110174914A1 - Connector device to prevent person from falling - Google Patents
Connector device to prevent person from falling Download PDFInfo
- Publication number
- US20110174914A1 US20110174914A1 US12/657,409 US65740910A US2011174914A1 US 20110174914 A1 US20110174914 A1 US 20110174914A1 US 65740910 A US65740910 A US 65740910A US 2011174914 A1 US2011174914 A1 US 2011174914A1
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- United States
- Prior art keywords
- housing
- pulley
- shaft
- selectively
- connector device
- Prior art date
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B1/00—Devices for lowering persons from buildings or the like
- A62B1/06—Devices for lowering persons from buildings or the like by making use of rope-lowering devices
- A62B1/08—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brake mechanisms for the winches or pulleys
- A62B1/10—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brake mechanisms for the winches or pulleys mechanically operated
Definitions
- the present invention relates to a connector device, and more particularly to a connector device including a cushioning or resilient structure for cushioning or resiliently engaging with the person and for preventing the person from being hurt while falling, and including a rotating or winding or actuating or elevating device for allowing the person or the worker to elevate upwardly along the carrying strap or rope by the person or the worker himself.
- Typical connector devices or assemblies have been provided and developed for being engaged with or attached to the conventional scaffolding and coupled to the person, and for safely anchoring and retaining or connecting the person to the scaffolding and for preventing the person from falling from the scaffolding while the person is working on the scaffolding
- the typical connector devices or assemblies comprise one or more collars for slidably attaching or mounting onto the tubular posts or the tubular rails of the scaffolding for slidably connecting the person to the scaffolding.
- U.S. Pat. No. 5,361,866 to Bell et al. discloses one of the typical connector devices or assemblies for use on scaffolding in order to cushion the person or the worker and to safely couple the person to the scaffolding and to prevent the person from falling from the scaffolding.
- the typical connector devices or assemblies have no cushioning or buffering devices to cushion the person or the worker and to safely couple the person to the scaffolding while falling such that the person may also be hurt while falling.
- no other elevating devices may be provided or used to elevate the person or the worker upwardly along the carrying strap or rope, such that the person or the worker have to spend a lot of time and energy and facilities to climb up along the carrying strap or rope.
- the present invention has arisen to mitigate and/or obviate the afore-described disadvantages of the conventional connector devices for use on scaffoldings.
- the primary objective of the present invention is to provide a connector device including a cushioning or resilient structure for cushioning or resiliently engaging with the person and for preventing the person from being hurt while falling.
- the other objective of the present invention is to provide a connector device including a rotating or winding or actuating or elevating device for allowing the person or the worker to elevate upwardly along the carrying strap or rope by the person or the worker himself.
- a connector device comprising a housing including a chamber formed therein, and including an orifice formed in a bottom portion thereof and communicative with the chamber of the housing, a pulley rotatably mounted and supported in the chamber of the housing with an axle for winding and storing a rope, a spring member engaged between the axle and the pulley for biasing the pulley to rotate relative to the axle and the housing and for winding or recovering the rope onto the pulley, and an actuating device may be selectively coupled to the pulley to selectively rotate the pulley relative to the axle and the housing and to selectively wind the rope onto the pulley.
- the pulley includes a hub attached onto the axle, a board mounted on the hub, and a gear wheel attached to the board and having a number of teeth provided on an outer peripheral portion thereof
- the actuating device includes a shaft rotatably attached to the housing and includes a pinion mounted to the shaft for selectively engaging with the teeth of the gear wheel and for allowing the gear wheel and the pulley to be selectively driven and rotated relative to the housing by the pinion of the shaft.
- the actuating device includes an actuating lever having a first end coupled to the shaft for selectively rotating the shaft and the pinion relative to the housing and the pulley.
- the actuating device includes a spring member attached onto the shaft and engaged between the housing and the shaft for biasing the pinion of the shaft to engage with the teeth of the gear wheel.
- the actuating device includes a cam member provided on the first end of the actuating lever for selectively engaging with the housing and for selectively moving the pinion of the shaft to compress the spring member and for selectively disengaging the pinion of the shaft from the gear wheel.
- the actuating device includes a hand grip provided on a second end of the actuating lever for rotating the actuating lever and the shaft relative to the housing.
- the actuating device includes a retaining member attached to the housing and having an engaging slot formed therein for selectively receiving and engaging with the second end of the actuating lever.
- the actuating device includes a stop member provided on a first end of the shaft for engaging with the housing and for limiting the shaft to slide relative to the housing and for preventing the shaft from being disengaged from the housing.
- the housing includes a ratchet member mounted to the housing and having a number of ratchet teeth provided in the ratchet member, and the board includes a number of pawls pivotally attached the board with pivot pins for engaging with the ratchet teeth of the ratchet member and for limiting the board to rotate relative to the housing.
- the housing includes a braking member mounted to the hub and disposed beside the pulley for engaging with the pulley and for braking the pulley.
- the hub includes a peripheral flange extended therefrom for engaging with the pulley and for preventing the pulley from being disengaged from the hub.
- the housing includes a casing rotatably disposed and supported on the axle and secured to the pulley, and the spring member is mounted between the axle and the casing for biasing the casing and the pulley relative to the axle and for winding the rope onto the pulley when the rope is released.
- FIG. 1 is a perspective view illustrating a coupling or connector device in accordance with the present invention for use on a scaffolding;
- FIG. 2 is a partial exploded view of the connector device for use on the scaffolding
- FIG. 3 is another partial exploded view of the connector device for use on the scaffolding
- FIG. 4 is a further partial exploded view of the connector device for use on the scaffolding
- FIG. 5 is a front plan schematic view of the connector device for use on the scaffolding
- FIG. 6 is a side plan schematic view of the connector device, in which a portion of the connector device has been cut off for showing the inner structure of the connector device;
- FIG. 7 is an enlarged partial side plan schematic view of the connector device
- FIG. 8 is a front plan schematic view similar to FIG. 5 ; illustrating the operation of the connector device
- FIG. 9 is a side plan schematic view of the connector device as shown in FIG. 8 , and similar to FIG. 6 , in which a portion of the connector device has also been cut off for showing the inner structure of the connector device and for illustrating the operation of the connector device;
- FIG. 10 is an enlarged partial side plan schematic view similar to FIG. 7 , illustrating the operation of the connector device.
- a connector device 1 in accordance with the present invention is provided for being engaged with or attached to the conventional scaffolding (not shown), such as engaged with or attached to the tracks or rails of the conventional scaffolding (not shown) and coupled to the person (not shown) for safely anchoring and retaining or connecting the person to the scaffolding and for suitably cushioning the person, and for preventing the person from falling from the scaffolding inadvertently while the person is working on the scaffolding, and for allowing the person or the worker to elevate or climb upwardly along the carrying strap or rope 8 by the person or the worker or the user himself.
- the connector device 1 comprises an outer housing 10 for being carried or attached or mounted or secured to the person or worker or user, and the housing 10 is formed or constituted by two housing members 11 , 12 which may be solidly secured together with latches or fasteners 13 , and includes a chamber 14 formed therein, and includes an orifice 15 formed in the bottom portion thereof ( FIG. 3 ) and communicative with the chamber 14 of the housing 10 for engaging with a gasket or sealing ring or eyelet 16 which includes a bore 17 formed therein for slidably receiving or engaging with a rope 8 ( FIGS. 1 , 8 - 9 ) and for smoothly guiding the rope 8 to move into and out of the chamber 14 of the housing 10 .
- a buckle (not shown) may be attached or mounted or secured to the rope 8 for coupling the user to the scaffolding, for example.
- a bracket or hanger plate 20 is disposed or engaged or attached or mounted onto the housing members 11 , 12 of the housing 10 and solidly secured to the housing members 11 , 12 of the housing 10 with the fasteners 21 , and the plate 20 may further include an opening 22 formed therein, such as formed in the upper portion thereof for hanging purposes and for forming or defining a handle 23 on the upper portion thereof, in which the opening 22 and the handle 23 of the plate 20 are disposed or extended out of the housing 10 for allowing the plate 20 and thus the housing 10 to be easily carried with the users and to be hung or attached or mounted or coupled to the scaffolding or the like.
- a wheel or pulley 30 is rotatably attached or mounted or supported in the chamber 14 of the housing 10 with a axle 31 for winding and supporting or engaging with the rope 8 and for allowing the rope 8 to be folded or wound onto the pulley 30 and received in the chamber 14 of the housing 10 , and includes a hub 32 disposed or mounted or secured in the center portion of the pulley 30 for rotatably receiving or engaging with the axle 31 and for allowing the pulley 30 to be smoothly and rotatably supported in the chamber 14 of the housing 10 and to be rotated relative to the axle 31 and the housing 10 .
- the hub 32 may include a panel 33 attached or mounted or secured to one side of the hub 32 or the pulley 30 for engaging with the hub 32 or the pulley 30 and for stably anchoring or positioning the pulley 30 on the hub 32 . It is to be noted that the axle 31 may also be solidly secured to the housing 10 with the fasteners 21 .
- a braking shoe or member 34 may further be provided and disposed or mounted on the hub 32 for engaging with the pulley 30 and for braking the pulley 30
- a board 35 is also provided and disposed or mounted on the hub 32 and attached or mounted to the braking member 34 , and the braking member 34 is engaged between the board 35 and the pulley 30 for braking the pulley 30
- the hub 32 includes a peripheral flange 36 extended radially and outwardly from one end thereof ( FIG.
- a ratchet ring or member 40 is attached or mounted or secured to the housing 10 , such as secured to the housing member 11 with latches or fasteners 41 , and includes a number of inner ratchet teeth 42 provided or formed therein ( FIG. 4 ), and one or more (such as three) pawls 43 are pivotally or rotatably coupled or attached or mounted or secured to the board 35 with pivot pins 44 ( FIGS.
- the rope 8 and the housing 10 may be attached or mounted or secured or coupled to the user, and the rope 8 and the buckle may be coupled to the scaffolding or the like when the user is conducting a climbing exercise or working on the scaffolding, and when the user is dropped or falling from the scaffolding or when the rope 8 is pulled out of the housing 10 by such as the weight of the user, the pulley 30 may be caused or forced to rotate relative to the braking member 34 which may brake or retard the rotational movement of the pulley 30 relative to the housing 10 , the fastener 37 is engaged with the board 35 ( FIG. 4 ) for stably locking or securing the pulley 30 between the panel 33 and the board 35 and for adjusting the braking force between the pulley 30 and the braking member 34 .
- a casing 50 is rotatably disposed or engaged or attached or mounted or supported on the hub 32 or the axle 31 and attached or mounted or secured to the pulley 30 , and a coil spring member 51 is disposed or engaged or attached or mounted between the hub 32 or the axle 31 and the casing 50 for biasing or rotating or recovering the casing 50 relative to the hub 32 or the axle 31 .
- a circular gear wheel 60 is attached or mounted or secured to the board 35 with latches or fasteners 61 ( FIG.
- gear wheel 60 and the board 35 are rotated in concert with each other relative to the hub 32 or the axle 31
- gear wheel 60 includes a number of teeth 62 provided or formed on the outer peripheral portion thereof
- the spring member 51 may bias or rotate or recover both the gear wheel 60 and the board 35 and the pulley 30 relative to the hub 32 or the axle 31 .
- a winding or actuating device 7 includes a shaft 70 rotatably attached or mounted or secured to the housing 10 with one or more bearing devices (not shown), for example, the housing 10 includes an aperture 18 , 19 formed in each of the housing members 11 , 12 of the housing 10 for rotatably receiving or engaging with the shaft 70 and for allowing the shaft 70 to be slidably and rotatably supported in the chamber 14 of the housing 10 , a retaining ring or stop member 71 is attached or mounted or secured to one end 72 of the shaft 70 for engaging with the housing 10 and for limiting the shaft 70 to slide relative to the housing 10 and for preventing the shaft 70 from being disengaged from the housing 10 .
- the actuating device 7 includes a pinion 73 attached or mounted or secured to the shaft 70 and rotated in concert with the shaft 70 for selectively meshing or engaging with the teeth 62 of the gear wheel 60 ( FIGS. 9-10 ) or for being selectively disengaged from the gear wheel 60 ( FIGS. 6-7 ) by moving or sliding the shaft 70 relative to the housing 10 , and thus for allowing the actuating device 7 to be selectively coupled to the gear wheel 60 and the pulley 30 .
- Another spring member 74 is attached onto the shaft 70 and engaged between the housing 10 and the pinion 73 or the shaft 70 for biasing or forcing the pinion 73 of the shaft 70 to mesh or engage with the teeth 62 of the gear wheel 60 and for allowing the gear wheel 60 and the board 35 and the pulley 30 to be selectively driven or rotated relative to the housing 10 by the pinion 73 of the shaft 70 .
- the actuating device 7 includes a handle or actuating lever 80 having one or first end 81 pivotally or rotatably attached or mounted or coupled to the other end 75 of the shaft 70 with a pivot pin 82 for allowing the shaft 70 and the pinion 73 to be selectively driven or rotated relative to the housing 10 by the actuating lever 80 ( FIGS. 5 , 8 ), and includes a cam member 83 formed or provided on the one or first end 81 of the actuating lever 80 for selectively engaging with the housing 10 ( FIGS.
- a hand grip 84 formed or provided on the other or second end 85 of the actuating lever 80 and preferably perpendicular to the actuating lever 80 for rotating the actuating lever 80 and the shaft 70 relative to the housing 10 .
- the cam member 83 may be rotated and selectively disengaged from the housing 10 to release the shaft 70 , at this moment, the spring member 74 may bias or force the pinion 73 of the shaft 70 to engage with the gear wheel 60 and to allow the gear wheel 60 and the board 35 and the pulley 30 to be selectively driven or rotated relative to the housing 10 by the pinion 73 of the shaft 70 and the actuating lever 80 .
- a bracket or retaining member 87 may further be provided and attached or mounted or secured to the housing 10 , such as secured to the housing member 11 and slightly extended out of the housing 10 , and includes a slot 88 , such as an oblong and opened engaging slot 88 formed therein for selectively receiving or engaging with the other or second end 85 of the actuating lever 80 and for selectively retaining the actuating lever 80 at the folding or storing position as shown in FIGS. 5-6 .
- the actuating lever 80 When the other or second end 85 of the actuating lever 80 is rotated and selectively disengaged from the engaging slot 88 of the retaining member 87 , the actuating lever 80 may be selectively rotated to the outwardly opened or working position as shown in FIGS. 8-9 .
- the cam member 83 may be engaged with the housing 10 to move or force the pinion 73 of the shaft 70 to engage with or to compress the spring member 74 and to selectively disengage the pinion 73 of the shaft 70 from the gear wheel 60 .
- the spring member 74 may be biased or engaged between the pulley 30 and the hub 32 or the axle 31 , to allow the gear wheel 60 and the board 35 and the pulley 30 to be selectively pulled and rotated relative to the housing 10 by the rope 8 and the weight of the user when the rope 8 is pulled away from the housing 10 and unwound from the pulley 30 .
- the gear wheel 60 and the board 35 may be caused or forced to rotate relative to the axle 31
- the spring member 51 may bias or rotate or recover both the gear wheel 60 and the board 35 relative to the axle 31 to apply a resistive force against the rotational movement of the pulley 30 relative to the housing 10 and the outward pulling of the rope 8
- the braking shoe or member 34 may also be used for braking the pulley 30 and the outward pulling movement or operation of the rope 8 .
- both the spring member 51 and the braking member 34 may apply a resistive force against the rotational movement of the pulley 30 relative to the housing 10 and the outward pulling of the rope 8 in order to cushion the user and to prevent the person from being hurt while falling.
- the user may selectively disengage the other or second end 85 of the actuating lever 80 from the engaging slot 88 of the retaining member 87 to the outwardly opened or working position as shown in FIGS. 8-9 , and the cam member 83 may be rotated and selectively disengaged from the housing 10 to release the shaft 70 , at this moment, the spring member 74 may bias or force the pinion 73 of the shaft 70 to engage with the gear wheel 60 and to allow the gear wheel 60 and the board 35 and the pulley 30 to be selectively driven or rotated relative to the housing 10 by the pinion 73 of the shaft 70 and the actuating lever 80 in order to wind the rope 8 onto and around the pulley 30 and to move or elevate the housing 10 and the person or the worker or the user upwardly along the carrying strap or rope 8 with the actuating lever 80 by the person or the worker or the user himself.
- the housing 10 may be attached or mounted or secured to the scaffolding and the rope 8 may be coupled to person or worker or user and may be selectively wound onto the
- the typical connector devices or assemblies may only be used for cushioning the person or the worker or the user and for safely coupling the person or the worker or the user to the scaffolding and to prevent the person or the worker or the user from falling from the scaffolding, the typical connector devices or assemblies may not be used to move or elevate the housing 10 and the person or the worker or the user upwardly along the carrying strap or rope 8 by the person or the worker or the user himself, and it may take a long time to wait until the other rescuing persons to help and to rescue the person or the worker or the user from the scaffolding.
- the connector device in accordance with the present invention includes a cushioning or resilient structure for cushioning or resiliently engaging with the person and for preventing the person from being hurt while falling, and includes a rotating or winding or actuating or elevating device for allowing the person or the worker or the user to elevate upwardly along the carrying strap or rope by the person or the worker himself.
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- Emergency Lowering Means (AREA)
Abstract
A connector device includes a pulley rotatably supported in a housing, a spring member for biasing the pulley relative to the housing and for winding a rope onto the pulley and for cushioning the user and for preventing the user from being hurt while falling, and an actuating device selectively coupled to the pulley to selectively rotate the pulley and to selectively wind the rope onto the pulley when required, for allowing the user to move or elevate upwardly along the carrying strap or rope by the user himself, the pulley includes a gear wheel having a number of teeth, and the actuating device includes a shaft having a pinion for selectively engaging with the teeth of the gear wheel and for rotating the gear wheel relative to the housing.
Description
- 1. Field of the Invention
- The present invention relates to a connector device, and more particularly to a connector device including a cushioning or resilient structure for cushioning or resiliently engaging with the person and for preventing the person from being hurt while falling, and including a rotating or winding or actuating or elevating device for allowing the person or the worker to elevate upwardly along the carrying strap or rope by the person or the worker himself.
- 2. Description of the Prior Art
- Typical connector devices or assemblies have been provided and developed for being engaged with or attached to the conventional scaffolding and coupled to the person, and for safely anchoring and retaining or connecting the person to the scaffolding and for preventing the person from falling from the scaffolding while the person is working on the scaffolding, normally, the typical connector devices or assemblies comprise one or more collars for slidably attaching or mounting onto the tubular posts or the tubular rails of the scaffolding for slidably connecting the person to the scaffolding.
- For example, U.S. Pat. No. 5,361,866 to Bell et al. discloses one of the typical connector devices or assemblies for use on scaffolding in order to cushion the person or the worker and to safely couple the person to the scaffolding and to prevent the person from falling from the scaffolding.
- However, the typical connector devices or assemblies have no cushioning or buffering devices to cushion the person or the worker and to safely couple the person to the scaffolding while falling such that the person may also be hurt while falling. In addition, after falling, no other elevating devices may be provided or used to elevate the person or the worker upwardly along the carrying strap or rope, such that the person or the worker have to spend a lot of time and energy and facilities to climb up along the carrying strap or rope.
- The present invention has arisen to mitigate and/or obviate the afore-described disadvantages of the conventional connector devices for use on scaffoldings.
- The primary objective of the present invention is to provide a connector device including a cushioning or resilient structure for cushioning or resiliently engaging with the person and for preventing the person from being hurt while falling.
- The other objective of the present invention is to provide a connector device including a rotating or winding or actuating or elevating device for allowing the person or the worker to elevate upwardly along the carrying strap or rope by the person or the worker himself.
- In accordance with one aspect of the invention, there is provided a connector device comprising a housing including a chamber formed therein, and including an orifice formed in a bottom portion thereof and communicative with the chamber of the housing, a pulley rotatably mounted and supported in the chamber of the housing with an axle for winding and storing a rope, a spring member engaged between the axle and the pulley for biasing the pulley to rotate relative to the axle and the housing and for winding or recovering the rope onto the pulley, and an actuating device may be selectively coupled to the pulley to selectively rotate the pulley relative to the axle and the housing and to selectively wind the rope onto the pulley.
- The pulley includes a hub attached onto the axle, a board mounted on the hub, and a gear wheel attached to the board and having a number of teeth provided on an outer peripheral portion thereof, and the actuating device includes a shaft rotatably attached to the housing and includes a pinion mounted to the shaft for selectively engaging with the teeth of the gear wheel and for allowing the gear wheel and the pulley to be selectively driven and rotated relative to the housing by the pinion of the shaft.
- The actuating device includes an actuating lever having a first end coupled to the shaft for selectively rotating the shaft and the pinion relative to the housing and the pulley. The actuating device includes a spring member attached onto the shaft and engaged between the housing and the shaft for biasing the pinion of the shaft to engage with the teeth of the gear wheel.
- The actuating device includes a cam member provided on the first end of the actuating lever for selectively engaging with the housing and for selectively moving the pinion of the shaft to compress the spring member and for selectively disengaging the pinion of the shaft from the gear wheel.
- The actuating device includes a hand grip provided on a second end of the actuating lever for rotating the actuating lever and the shaft relative to the housing. The actuating device includes a retaining member attached to the housing and having an engaging slot formed therein for selectively receiving and engaging with the second end of the actuating lever.
- The actuating device includes a stop member provided on a first end of the shaft for engaging with the housing and for limiting the shaft to slide relative to the housing and for preventing the shaft from being disengaged from the housing.
- The housing includes a ratchet member mounted to the housing and having a number of ratchet teeth provided in the ratchet member, and the board includes a number of pawls pivotally attached the board with pivot pins for engaging with the ratchet teeth of the ratchet member and for limiting the board to rotate relative to the housing.
- The housing includes a braking member mounted to the hub and disposed beside the pulley for engaging with the pulley and for braking the pulley. The hub includes a peripheral flange extended therefrom for engaging with the pulley and for preventing the pulley from being disengaged from the hub.
- The housing includes a casing rotatably disposed and supported on the axle and secured to the pulley, and the spring member is mounted between the axle and the casing for biasing the casing and the pulley relative to the axle and for winding the rope onto the pulley when the rope is released.
- Further objectives and advantages of the present invention will become apparent from a careful reading of the detailed description provided hereinbelow, with appropriate reference to the accompanying drawings.
-
FIG. 1 is a perspective view illustrating a coupling or connector device in accordance with the present invention for use on a scaffolding; -
FIG. 2 is a partial exploded view of the connector device for use on the scaffolding; -
FIG. 3 is another partial exploded view of the connector device for use on the scaffolding; -
FIG. 4 is a further partial exploded view of the connector device for use on the scaffolding; -
FIG. 5 is a front plan schematic view of the connector device for use on the scaffolding; -
FIG. 6 is a side plan schematic view of the connector device, in which a portion of the connector device has been cut off for showing the inner structure of the connector device; -
FIG. 7 is an enlarged partial side plan schematic view of the connector device; -
FIG. 8 is a front plan schematic view similar toFIG. 5 ; illustrating the operation of the connector device; -
FIG. 9 is a side plan schematic view of the connector device as shown inFIG. 8 , and similar toFIG. 6 , in which a portion of the connector device has also been cut off for showing the inner structure of the connector device and for illustrating the operation of the connector device; and -
FIG. 10 is an enlarged partial side plan schematic view similar toFIG. 7 , illustrating the operation of the connector device. - Referring to the drawings, and initially to
FIGS. 1-3 and 5-6, a connector device 1 in accordance with the present invention is provided for being engaged with or attached to the conventional scaffolding (not shown), such as engaged with or attached to the tracks or rails of the conventional scaffolding (not shown) and coupled to the person (not shown) for safely anchoring and retaining or connecting the person to the scaffolding and for suitably cushioning the person, and for preventing the person from falling from the scaffolding inadvertently while the person is working on the scaffolding, and for allowing the person or the worker to elevate or climb upwardly along the carrying strap or rope 8 by the person or the worker or the user himself. - As shown in
FIGS. 1-3 and 5-6, the connector device 1 comprises anouter housing 10 for being carried or attached or mounted or secured to the person or worker or user, and thehousing 10 is formed or constituted by twohousing members fasteners 13, and includes achamber 14 formed therein, and includes anorifice 15 formed in the bottom portion thereof (FIG. 3 ) and communicative with thechamber 14 of thehousing 10 for engaging with a gasket or sealing ring oreyelet 16 which includes abore 17 formed therein for slidably receiving or engaging with a rope 8 (FIGS. 1 , 8-9) and for smoothly guiding therope 8 to move into and out of thechamber 14 of thehousing 10. A buckle (not shown) may be attached or mounted or secured to therope 8 for coupling the user to the scaffolding, for example. - A bracket or
hanger plate 20 is disposed or engaged or attached or mounted onto thehousing members housing 10 and solidly secured to thehousing members housing 10 with thefasteners 21, and theplate 20 may further include anopening 22 formed therein, such as formed in the upper portion thereof for hanging purposes and for forming or defining ahandle 23 on the upper portion thereof, in which the opening 22 and thehandle 23 of theplate 20 are disposed or extended out of thehousing 10 for allowing theplate 20 and thus thehousing 10 to be easily carried with the users and to be hung or attached or mounted or coupled to the scaffolding or the like. - A wheel or
pulley 30 is rotatably attached or mounted or supported in thechamber 14 of thehousing 10 with aaxle 31 for winding and supporting or engaging with therope 8 and for allowing therope 8 to be folded or wound onto thepulley 30 and received in thechamber 14 of thehousing 10, and includes ahub 32 disposed or mounted or secured in the center portion of thepulley 30 for rotatably receiving or engaging with theaxle 31 and for allowing thepulley 30 to be smoothly and rotatably supported in thechamber 14 of thehousing 10 and to be rotated relative to theaxle 31 and thehousing 10. Thehub 32 may include apanel 33 attached or mounted or secured to one side of thehub 32 or thepulley 30 for engaging with thehub 32 or thepulley 30 and for stably anchoring or positioning thepulley 30 on thehub 32. It is to be noted that theaxle 31 may also be solidly secured to thehousing 10 with thefasteners 21. - A braking shoe or
member 34 may further be provided and disposed or mounted on thehub 32 for engaging with thepulley 30 and for braking thepulley 30, and aboard 35 is also provided and disposed or mounted on thehub 32 and attached or mounted to thebraking member 34, and thebraking member 34 is engaged between theboard 35 and thepulley 30 for braking thepulley 30, thehub 32 includes aperipheral flange 36 extended radially and outwardly from one end thereof (FIG. 2 ) for engaging with thepanel 33 or thepulley 30, and includes the other end threaded or engaged with a lock nut orfastener 37 which is engaged with theboard 35 for stably locking or securing thepulley 30 between thepanel 33 and theboard 35 and for adjusting the frictional or braking force between thepulley 30 and thebraking member 34. - A ratchet ring or
member 40 is attached or mounted or secured to thehousing 10, such as secured to thehousing member 11 with latches orfasteners 41, and includes a number ofinner ratchet teeth 42 provided or formed therein (FIG. 4 ), and one or more (such as three)pawls 43 are pivotally or rotatably coupled or attached or mounted or secured to theboard 35 with pivot pins 44 (FIGS. 2-4 ) for selectively engaging with theratchet teeth 42 of theratchet member 40 and for limiting theboard 35 and thebraking member 34 to rotate unidirectionally relative to thehousing 10, and one or more (such as three)spring members 45 are engaged with thepawls 43 for biasing or forcing thepawls 43 to engage with theratchet teeth 42 of theratchet member 40. - In operation, the
rope 8 and thehousing 10 may be attached or mounted or secured or coupled to the user, and therope 8 and the buckle may be coupled to the scaffolding or the like when the user is conducting a climbing exercise or working on the scaffolding, and when the user is dropped or falling from the scaffolding or when therope 8 is pulled out of thehousing 10 by such as the weight of the user, thepulley 30 may be caused or forced to rotate relative to thebraking member 34 which may brake or retard the rotational movement of thepulley 30 relative to thehousing 10, thefastener 37 is engaged with the board 35 (FIG. 4 ) for stably locking or securing thepulley 30 between thepanel 33 and theboard 35 and for adjusting the braking force between thepulley 30 and thebraking member 34. - A
casing 50 is rotatably disposed or engaged or attached or mounted or supported on thehub 32 or theaxle 31 and attached or mounted or secured to thepulley 30, and acoil spring member 51 is disposed or engaged or attached or mounted between thehub 32 or theaxle 31 and thecasing 50 for biasing or rotating or recovering thecasing 50 relative to thehub 32 or theaxle 31. Acircular gear wheel 60 is attached or mounted or secured to theboard 35 with latches or fasteners 61 (FIG. 4 ) such that thegear wheel 60 and theboard 35 are rotated in concert with each other relative to thehub 32 or theaxle 31, and thegear wheel 60 includes a number ofteeth 62 provided or formed on the outer peripheral portion thereof, and thespring member 51 may bias or rotate or recover both thegear wheel 60 and theboard 35 and thepulley 30 relative to thehub 32 or theaxle 31. - As shown in
FIGS. 2-3 and 5-10, a winding or actuatingdevice 7 includes ashaft 70 rotatably attached or mounted or secured to thehousing 10 with one or more bearing devices (not shown), for example, thehousing 10 includes anaperture housing members housing 10 for rotatably receiving or engaging with theshaft 70 and for allowing theshaft 70 to be slidably and rotatably supported in thechamber 14 of thehousing 10, a retaining ring orstop member 71 is attached or mounted or secured to oneend 72 of theshaft 70 for engaging with thehousing 10 and for limiting theshaft 70 to slide relative to thehousing 10 and for preventing theshaft 70 from being disengaged from thehousing 10. - The actuating
device 7 includes apinion 73 attached or mounted or secured to theshaft 70 and rotated in concert with theshaft 70 for selectively meshing or engaging with theteeth 62 of the gear wheel 60 (FIGS. 9-10 ) or for being selectively disengaged from the gear wheel 60 (FIGS. 6-7 ) by moving or sliding theshaft 70 relative to thehousing 10, and thus for allowing the actuatingdevice 7 to be selectively coupled to thegear wheel 60 and thepulley 30. Anotherspring member 74 is attached onto theshaft 70 and engaged between thehousing 10 and thepinion 73 or theshaft 70 for biasing or forcing thepinion 73 of theshaft 70 to mesh or engage with theteeth 62 of thegear wheel 60 and for allowing thegear wheel 60 and theboard 35 and thepulley 30 to be selectively driven or rotated relative to thehousing 10 by thepinion 73 of theshaft 70. - The actuating
device 7 includes a handle or actuatinglever 80 having one orfirst end 81 pivotally or rotatably attached or mounted or coupled to theother end 75 of theshaft 70 with apivot pin 82 for allowing theshaft 70 and thepinion 73 to be selectively driven or rotated relative to thehousing 10 by the actuating lever 80 (FIGS. 5 , 8), and includes acam member 83 formed or provided on the one orfirst end 81 of the actuatinglever 80 for selectively engaging with the housing 10 (FIGS. 6-7 ) and for selectively moving or forcing thepinion 73 of theshaft 70 to engage with thespring member 74 or to compress thespring member 74 and for selectively disengaging thepinion 73 of theshaft 70 from thegear wheel 60, and includes ahand grip 84 formed or provided on the other orsecond end 85 of the actuatinglever 80 and preferably perpendicular to the actuatinglever 80 for rotating the actuatinglever 80 and theshaft 70 relative to thehousing 10. - As shown in
FIGS. 8-10 , when the actuatinglever 80 is rotated relative to theshaft 70 and thehousing 10 with or about or around thepivot pin 82 for about one hundred and eighty (180) degrees from the folding or storing position as shown inFIGS. 5-6 to the outwardly opened or working position as shown inFIGS. 8-9 , thecam member 83 may be rotated and selectively disengaged from thehousing 10 to release theshaft 70, at this moment, thespring member 74 may bias or force thepinion 73 of theshaft 70 to engage with thegear wheel 60 and to allow thegear wheel 60 and theboard 35 and thepulley 30 to be selectively driven or rotated relative to thehousing 10 by thepinion 73 of theshaft 70 and the actuatinglever 80. - As shown in
FIGS. 1-3 , 5, and 8, a bracket or retainingmember 87 may further be provided and attached or mounted or secured to thehousing 10, such as secured to thehousing member 11 and slightly extended out of thehousing 10, and includes aslot 88, such as an oblong and openedengaging slot 88 formed therein for selectively receiving or engaging with the other orsecond end 85 of the actuatinglever 80 and for selectively retaining the actuatinglever 80 at the folding or storing position as shown inFIGS. 5-6 . When the other orsecond end 85 of the actuatinglever 80 is rotated and selectively disengaged from theengaging slot 88 of the retainingmember 87, the actuatinglever 80 may be selectively rotated to the outwardly opened or working position as shown inFIGS. 8-9 . - In operation, as shown in
FIGS. 5-7 , when the other or second,end 85 of the actuatinglever 80 is received or engaged in theengaging slot 88 of the retainingmember 87, thecam member 83 may be engaged with thehousing 10 to move or force thepinion 73 of theshaft 70 to engage with or to compress thespring member 74 and to selectively disengage thepinion 73 of theshaft 70 from thegear wheel 60. At this moment, thespring member 74 may be biased or engaged between thepulley 30 and thehub 32 or theaxle 31, to allow thegear wheel 60 and theboard 35 and thepulley 30 to be selectively pulled and rotated relative to thehousing 10 by therope 8 and the weight of the user when therope 8 is pulled away from thehousing 10 and unwound from thepulley 30. - At this moment, the
gear wheel 60 and theboard 35 may be caused or forced to rotate relative to theaxle 31, thespring member 51 may bias or rotate or recover both thegear wheel 60 and theboard 35 relative to theaxle 31 to apply a resistive force against the rotational movement of thepulley 30 relative to thehousing 10 and the outward pulling of therope 8, and the braking shoe ormember 34 may also be used for braking thepulley 30 and the outward pulling movement or operation of therope 8. Accordingly, when the user or worker or person is dropped or falling from the scaffolding or when therope 8 is pulled out of thehousing 10 by such as the weight of the user, both thespring member 51 and thebraking member 34 may apply a resistive force against the rotational movement of thepulley 30 relative to thehousing 10 and the outward pulling of therope 8 in order to cushion the user and to prevent the person from being hurt while falling. - After falling, the user may selectively disengage the other or
second end 85 of the actuatinglever 80 from theengaging slot 88 of the retainingmember 87 to the outwardly opened or working position as shown inFIGS. 8-9 , and thecam member 83 may be rotated and selectively disengaged from thehousing 10 to release theshaft 70, at this moment, thespring member 74 may bias or force thepinion 73 of theshaft 70 to engage with thegear wheel 60 and to allow thegear wheel 60 and theboard 35 and thepulley 30 to be selectively driven or rotated relative to thehousing 10 by thepinion 73 of theshaft 70 and the actuatinglever 80 in order to wind therope 8 onto and around thepulley 30 and to move or elevate thehousing 10 and the person or the worker or the user upwardly along the carrying strap orrope 8 with the actuatinglever 80 by the person or the worker or the user himself. Alternatively, thehousing 10 may be attached or mounted or secured to the scaffolding and therope 8 may be coupled to person or worker or user and may be selectively wound onto thepulley 30 by the other persons. - It is to be noted that the typical connector devices or assemblies may only be used for cushioning the person or the worker or the user and for safely coupling the person or the worker or the user to the scaffolding and to prevent the person or the worker or the user from falling from the scaffolding, the typical connector devices or assemblies may not be used to move or elevate the
housing 10 and the person or the worker or the user upwardly along the carrying strap orrope 8 by the person or the worker or the user himself, and it may take a long time to wait until the other rescuing persons to help and to rescue the person or the worker or the user from the scaffolding. - Accordingly, the connector device in accordance with the present invention includes a cushioning or resilient structure for cushioning or resiliently engaging with the person and for preventing the person from being hurt while falling, and includes a rotating or winding or actuating or elevating device for allowing the person or the worker or the user to elevate upwardly along the carrying strap or rope by the person or the worker himself.
- Although this invention has been described with a certain degree of particularity, it is to be understood that the present disclosure has been made by way of example only and that numerous changes in the detailed construction and the combination and arrangement of parts may be resorted to without departing from the spirit and scope of the invention as hereinafter claimed.
Claims (12)
1. A connector device comprising:
a housing including a chamber formed therein, and including an orifice formed in a bottom portion thereof and communicative with said chamber of said housing,
a pulley rotatably mounted and supported in said chamber of said housing with an axle for winding and storing a rope,
a spring member engaged between said axle and said pulley for biasing said pulley relative to said axle and said housing and for winding the rope onto said pulley, and
an actuating device selectively coupled to said pulley to selectively rotate said pulley and to selectively wind the rope onto said pulley.
2. The connector device as claimed in claim 1 , wherein said pulley includes a hub attached onto said axle, a board mounted on said hub, and a gear wheel attached to said board and having a plurality of teeth provided on an outer peripheral portion thereof, and said actuating device includes a shaft rotatably attached to said housing and includes a pinion mounted to said shaft for selectively engaging with said teeth of said gear wheel and for allowing said gear wheel and said pulley to be selectively driven and rotated relative to said housing by said pinion of said shaft.
3. The connector device as claimed in claim 2 , wherein said actuating device includes an actuating lever having a first end coupled to said shaft for selectively rotating said shaft and said pinion relative to said housing and said pulley.
4. The connector device as claimed in claim 3 , wherein said actuating device includes a spring member attached onto said shaft and engaged between said housing and said shaft for biasing said pinion of said shaft to engage with said teeth of said gear wheel.
5. The connector device as claimed in claim 4 , wherein said actuating device includes a cam member provided on said first end of said actuating lever for selectively engaging with said housing and for selectively moving said pinion of said shaft to compress said spring member and for selectively disengaging said pinion of said shaft from said gear wheel.
6. The connector device as claimed in claim 3 , wherein said actuating device includes a hand grip provided on a second end of said actuating lever for rotating said actuating lever and said shaft relative to said housing.
7. The connector device as claimed in claim 6 , wherein said actuating device includes a retaining member attached to said housing and having an engaging slot formed therein for selectively receiving and engaging with said second end of said actuating lever.
8. The connector device as claimed in claim 3 , wherein said actuating device includes a stop member provided on a first end of said shaft for engaging with said housing and for limiting said shaft to slide relative to said housing and for preventing said shaft from being disengaged from said housing.
9. The connector device as claimed in claim 2 , wherein said housing includes a ratchet member mounted to said housing and having a plurality of ratchet teeth provided in said ratchet member, and said board includes a plurality of pawls pivotally attached said board with pivot pins for engaging with said ratchet teeth of said ratchet member and for limiting said board to rotate relative to said housing.
10. The connector device as claimed in claim 9 , wherein said housing includes a braking member mounted to said hub for engaging with said pulley and for braking said pulley.
11. The connector device as claimed in claim 2 , wherein said hub includes a peripheral flange extended therefrom for engaging with said pulley.
12. The connector device as claimed in claim 1 , wherein said housing includes a casing rotatably disposed and supported on said axle and secured to said pulley, and said spring member is mounted between said axle and said casing for biasing said casing and said pulley relative to said axle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/657,409 US20110174914A1 (en) | 2010-01-20 | 2010-01-20 | Connector device to prevent person from falling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/657,409 US20110174914A1 (en) | 2010-01-20 | 2010-01-20 | Connector device to prevent person from falling |
Publications (1)
Publication Number | Publication Date |
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US20110174914A1 true US20110174914A1 (en) | 2011-07-21 |
Family
ID=44276854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US12/657,409 Abandoned US20110174914A1 (en) | 2010-01-20 | 2010-01-20 | Connector device to prevent person from falling |
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US (1) | US20110174914A1 (en) |
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DE202012104920U1 (en) * | 2012-12-17 | 2014-04-02 | Al-Ko Kober Se | Hand-operated winch |
US20150196820A1 (en) * | 2009-03-10 | 2015-07-16 | Eddy Current Limited Partnership | Line dispensing device with eddy current braking for use with climbing and evacuation |
US20160074681A1 (en) * | 2014-09-12 | 2016-03-17 | D B Industries, Llc | Personal descent system |
US20170189725A1 (en) * | 2015-04-07 | 2017-07-06 | Harken, Incorporated | High load descender with adaptive release linkage |
CN107929962A (en) * | 2017-12-27 | 2018-04-20 | 代尔塔(中国)安全防护有限公司 | A kind of rescue speed difference device of the replaceable energy absorption of convenient quickly |
US10020720B2 (en) | 2014-08-18 | 2018-07-10 | Eddy Current Limited Partnership | Latching devices |
US10092781B2 (en) * | 2015-04-07 | 2018-10-09 | Harken, Incorporated | High load descender with adaptive release linkage |
US10110089B2 (en) | 2014-08-18 | 2018-10-23 | Eddy Current Limited Partnership | Tuning of a kinematic relationship between members |
US10300397B2 (en) | 2013-12-16 | 2019-05-28 | Eddy Current Limited Partnership | Assembly to control or govern relative speed of movement between parts |
US20190255365A1 (en) * | 2018-02-21 | 2019-08-22 | Sm2 Co., Ltd. | Descending apparatus for emergency escape |
US10498210B2 (en) | 2014-08-18 | 2019-12-03 | Eddy Current Limited Partnership | Tuning of a kinematic relationship between members |
DE102018212113A1 (en) * | 2018-07-20 | 2020-01-23 | Creaditive Ag | Inhibitor system and the inhibitor system comprehensive measuring device |
CN110775855A (en) * | 2019-11-14 | 2020-02-11 | 中核核电运行管理有限公司 | Take triggering function's receipts rope anti-falling mechanism |
US10693360B2 (en) | 2014-12-04 | 2020-06-23 | Eddy Current Limited Partnership | Transmissions incorporating eddy current braking |
US10774887B2 (en) | 2014-12-04 | 2020-09-15 | Eddy Current Limited Partnership | Latch activation between members |
US10940339B2 (en) | 2014-12-04 | 2021-03-09 | Eddy Current Limited Partnership | Energy absorbing apparatus |
US10953848B2 (en) | 2015-12-18 | 2021-03-23 | Eddy Current Limited Partnership | Variable behavior control mechanism for a motive system |
US11050336B2 (en) | 2014-12-04 | 2021-06-29 | Eddy Current Limited Partnership | Methods of altering eddy current interactions |
US11114930B2 (en) | 2014-12-04 | 2021-09-07 | Eddy Current Limited Partnership | Eddy current brake configurations |
US11154732B2 (en) * | 2019-06-14 | 2021-10-26 | Hongfa Chen | Speed-controllable lifter |
US20220305308A1 (en) * | 2021-03-26 | 2022-09-29 | Msa Technology, Llc | Two-Part Locking Polymer Hub for Cable Self-Retracting Device |
US11660475B2 (en) | 2015-04-07 | 2023-05-30 | Harken, Incorporated | High load descender with adaptive release linkage |
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US9962588B2 (en) * | 2009-03-10 | 2018-05-08 | Eddy Current Limited Partnership | Line dispensing device with eddy current braking for use with climbing and evacuation |
US20150196820A1 (en) * | 2009-03-10 | 2015-07-16 | Eddy Current Limited Partnership | Line dispensing device with eddy current braking for use with climbing and evacuation |
US11123580B2 (en) | 2009-03-10 | 2021-09-21 | Eddy Current Limited Partnership | Line dispensing device with Eddy current braking for use with climbing and evacuation |
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US10300397B2 (en) | 2013-12-16 | 2019-05-28 | Eddy Current Limited Partnership | Assembly to control or govern relative speed of movement between parts |
US10603596B2 (en) | 2013-12-16 | 2020-03-31 | Eddy Current Limited Partnership | Assembly to control or govern relative speed of movement between parts |
US11628373B2 (en) | 2013-12-16 | 2023-04-18 | Eddy Current Limited Partnership | Assembly to control or govern relative speed of movement between parts |
US10110089B2 (en) | 2014-08-18 | 2018-10-23 | Eddy Current Limited Partnership | Tuning of a kinematic relationship between members |
US11632016B2 (en) | 2014-08-18 | 2023-04-18 | Eddy Current Limited Partnership | Tuning of a kinematic relationship between members |
US11437903B2 (en) | 2014-08-18 | 2022-09-06 | Eddy Current Limited Partnership | Latching devices |
US10873242B2 (en) | 2014-08-18 | 2020-12-22 | Eddy Current Limited Partnership | Tuning of a kinematic relationship between members |
US10498210B2 (en) | 2014-08-18 | 2019-12-03 | Eddy Current Limited Partnership | Tuning of a kinematic relationship between members |
US11735992B2 (en) | 2014-08-18 | 2023-08-22 | Eddy Current Limited Partnership | Tuning of a kinematic relationship between members |
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US10594200B2 (en) | 2014-08-18 | 2020-03-17 | Eddy Current Limited Partnership | Latching devices |
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US11316404B2 (en) | 2014-08-18 | 2022-04-26 | Eddy Current Limited Partnership | Tuning of a kinematic relationship between members |
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US10693360B2 (en) | 2014-12-04 | 2020-06-23 | Eddy Current Limited Partnership | Transmissions incorporating eddy current braking |
US10940339B2 (en) | 2014-12-04 | 2021-03-09 | Eddy Current Limited Partnership | Energy absorbing apparatus |
US10774887B2 (en) | 2014-12-04 | 2020-09-15 | Eddy Current Limited Partnership | Latch activation between members |
US11009089B2 (en) | 2014-12-04 | 2021-05-18 | Eddy Current Limited Partnership | Latch activation between members |
US11050336B2 (en) | 2014-12-04 | 2021-06-29 | Eddy Current Limited Partnership | Methods of altering eddy current interactions |
US11499596B2 (en) | 2014-12-04 | 2022-11-15 | Eddy Current Limited Partnership | Latch activation between members |
US11114930B2 (en) | 2014-12-04 | 2021-09-07 | Eddy Current Limited Partnership | Eddy current brake configurations |
US11777391B2 (en) | 2014-12-04 | 2023-10-03 | Eddy Current Limited Partnership | Methods of altering eddy current interactions |
US11992713B2 (en) | 2014-12-04 | 2024-05-28 | Eddy Current Limited Partnership | Energy absorbing apparatus |
US12009721B2 (en) | 2014-12-04 | 2024-06-11 | Eddy Current Limited Partnership | Eddy current brake configurations |
US10583315B2 (en) * | 2015-04-07 | 2020-03-10 | Harken, Incorporated | High load descender with adaptive release linkage |
US11097136B2 (en) | 2015-04-07 | 2021-08-24 | Harken, Incorporated | High load descender with adaptive release linkage |
US11660475B2 (en) | 2015-04-07 | 2023-05-30 | Harken, Incorporated | High load descender with adaptive release linkage |
US10092781B2 (en) * | 2015-04-07 | 2018-10-09 | Harken, Incorporated | High load descender with adaptive release linkage |
US20170189725A1 (en) * | 2015-04-07 | 2017-07-06 | Harken, Incorporated | High load descender with adaptive release linkage |
US10953848B2 (en) | 2015-12-18 | 2021-03-23 | Eddy Current Limited Partnership | Variable behavior control mechanism for a motive system |
US11878651B2 (en) | 2015-12-18 | 2024-01-23 | Eddy Current Limited Partnership | Variable behavior control mechanism for a motive system |
CN107929962A (en) * | 2017-12-27 | 2018-04-20 | 代尔塔(中国)安全防护有限公司 | A kind of rescue speed difference device of the replaceable energy absorption of convenient quickly |
US20190255365A1 (en) * | 2018-02-21 | 2019-08-22 | Sm2 Co., Ltd. | Descending apparatus for emergency escape |
DE102018212113A1 (en) * | 2018-07-20 | 2020-01-23 | Creaditive Ag | Inhibitor system and the inhibitor system comprehensive measuring device |
US11154732B2 (en) * | 2019-06-14 | 2021-10-26 | Hongfa Chen | Speed-controllable lifter |
CN110775855A (en) * | 2019-11-14 | 2020-02-11 | 中核核电运行管理有限公司 | Take triggering function's receipts rope anti-falling mechanism |
US20220305308A1 (en) * | 2021-03-26 | 2022-09-29 | Msa Technology, Llc | Two-Part Locking Polymer Hub for Cable Self-Retracting Device |
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Legal Events
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AS | Assignment |
Owner name: GIMMAL CO., LTD., TAIWAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:YANG, KAI CHIEH;REEL/FRAME:023876/0996 Effective date: 20091210 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |